Spanish has many irregular verbs. They are important because they are commonly used and appear in all tenses.

Types of Irregularities

Stem Changes

Some verbs change the stem vowel in certain forms.

Yo Form Changes

Some verbs only change in the yo form in the present tense.

Completely Irregular

A few verbs are irregular in many forms and must be memorized.


Examples

Cerrar (e โ†’ ie)

Spanish
cierro
English
Pronoun
yo
(1 of 6)

Volver (o โ†’ ue)

Spanish
vuelvo
English
Pronoun
yo
(1 of 6)

Pedir (e โ†’ i)

Spanish
pido
English
Pronoun
yo
(1 of 6)

Hacer (yo form irregular)

Spanish
hago
English
Pronoun
yo
(1 of 6)

Ser (completely irregular)

Spanish
soy
English
Pronoun
yo
(1 of 6)


Summary

  • Irregular verbs are common and important in Spanish.
  • They may have stem changes, yo-form changes, or be completely irregular.
  • Always pay attention to which tense and pronoun you are using.
  • Practice with examples and use them frequently to remember the patterns.


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Last updated: Thu Jul 17, 2025